Other
Help With Fractions: Rules and Definitions
The rules and definitions of fractions are clearly explained at this website. Numerators and denominators are illustrated and explained. This is an excellent place to get the basic foundation for fractions.
University of Georgia
University of Georgia: Intermath: Denominator
This one page website provides a definition for denominator and numerator. It also give examples.
The Math League
The Math League: What Is a Fraction?
This tutorial helps students to understand fractions. It explains what denominators and numerators are using simple graphics.
Scholastic
Scholastic Lesson Activities: Model With Manipulatives
Two fraction activities are highlighted at this one page website. Both use manipulatives to help students begin to understand the basic concepts of fractions.
University of Cambridge
University of Cambridge: Nrich: Pumpkin Pie Problem
On this one page website sharpen your logic, graphing and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: In the Money
On this one page website sharpen your logic, money, and fraction skills while working on this challenge. The solution is available to double check your solution.
Wikimedia
Wikipedia: Fraction
This one page website provides a basic explanation of a fraction and its denominator and numerator.